--- product_id: 62902337 title: "10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black)" brand: "1stec" price: "€ 33.86" currency: EUR in_stock: true category: "1 S Tec" url: https://www.desertcart.hr/products/62902337-10m-of-genuine-bt-cw1308-4-core-2-twisted-pair store_origin: HR region: Croatia --- # Supports full ADSL & VDSL broadband speeds 0.5mm pure copper cores for max conductivity Weatherproof PVC sheath for 25-30 year durability 10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) **Brand:** 1stec **Price:** € 33.86 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your connection game with genuine BT copper cable—because speed and reliability aren’t optional! ## Quick Answers - **What is this?** 10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) by 1stec - **How much does it cost?** € 33.86 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/62902337-10m-of-genuine-bt-cw1308-4-core-2-twisted-pair) ## Best For - 1stec enthusiasts ## Why This Product - Trusted 1stec brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Rugged black PVC sheath ensures your installation stays reliable indoors or outdoors for decades. - • **Pure Copper Power:** Experience unmatched signal clarity with genuine solid copper conductors, eliminating interference and dropouts. - • **Broadband Speed Booster:** Maintain peak ADSL and VDSL speeds over long runs—no more frustrating slowdowns or buffering. - • **Flexible & Professional:** Color-coded twisted pairs bend easily for neat routing through walls or conduits without kinks or damage. - • **Pro-Grade Compatibility:** Seamlessly integrates with BT master sockets, extension points, and standard IDC connectors for a flawless fit. ## Overview This 10m BT CW1308 6-core telephone cable features 0.5mm pure copper conductors designed to deliver superior broadband and voice signal quality. Engineered to BT professional standards, it supports full ADSL and VDSL speeds without degradation, protected by a durable weatherproof PVC sheath for up to 30 years of reliable indoor or outdoor use. Ideal for master or extension sockets, it includes installation clips, grommets, and an IDC insertion tool, making it the go-to choice for seamless, high-performance telecom wiring. ## Description GENUINE BT and BCC CABLE If you want to move, extend or install a new extension or master socket for your High Speed ADSL or Telephone connection then these are the cables you will need Compatible with BT Infinity, Sky, EE, TalkTalk, Plusnet the Post Office and many other service providers that use the Openreach Telephone / Data supply networkFULL COPPER NOT CCA OR CCS Cables made 'to' BT spec have little or no quality control and most are now made of either Copper Clad Steel CCS or Copper Clad Aluminium CCA due to the high cost of copperTHE USE OF CAT5e OR CAT6Another bad practice being introduced to the unsuspecting customer is the use of CAT5, CAT5e & CAT6 network cables on the Modems supply sideThese LAN cables were designed for and work best on Local Area Networks. Wide Area Network / WAN connections require cable consistency for best resultsBEST POSSIBLE PERFORMANCEThese BT & British Cable Company / BCC cables currently achieves the best possible speeds of any other type of Wide Area Network cable available in the UK.CABLE SPECIFICATION Conductor Sectional Area: 0.5mm² Conductor: Plain Annealed Copper Current Voltage Rating: 0.25A, 2 stoneAC:80V Outside Diameter: 3.5mm to 4mm No. of Cores: 4 (2 x Twisted Pairs) Black version is UV Protected for External use ## Features - GENUINE SOLID COPPER CONDUCTORS - Features 0.5mm diameter pure copper cores delivering superior conductivity compared to copper-clad aluminum or steel alternatives, ensuring strong signal transmission across extended runs without degradation or interference - BROADBAND PERFORMANCE OPTIMIZATION - Maintains full ADSL and VDSL internet speeds on lengthy installations through low electrical resistance and capacitance characteristics, preventing the 20-40% speed reduction common with inferior wire construction - PERMANENT INSTALLATION DURABILITY - The black PVC weatherproof sheath protects internal pairs for 25-30 year lifespan in damp environments, walls, floors, or outdoor routing to outbuildings without corrosion issues affecting connectivity reliability - PROFESSIONAL GRADE SPECIFICATION - Identical construction to BT engineer-installed telecommunications wiring, compatible with master sockets, junction boxes, extension points, and standard IDC terminal connectors throughout residential properties - SIGNAL CLARITY MAINTENANCE - Eliminates crackling, dropouts, and line noise on voice calls across distances exceeding 10 meters where copper-clad alternatives fail, making it essential for multi-room extension socket networks - FLEXIBLE ROUTING CAPABILITY - Blue and white-blue color-coded pairs bend easily through cavity walls, underfloor spaces, and tight corners without kinking, while remaining rigid enough for professional-looking surface mounting or conduit threading - RETROFIT AND NEW BUILD SUITABILITY - Works seamlessly with existing telephone infrastructure, garden office connections, workshop extensions, and complete home rewiring projects requiring dependable landline and broadband service transmission ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07B8VL3PV | | Best Sellers Rank | 13,927 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 184 in Phone Accessories | | Brand | 1STec | | Cable Type | Ethernet | | Colour | Black | | Compatible Devices | Modem, Router | | Compatible Phone Models | Likely compatible with most modern smartphones, specific models not listed | | Connector Gender | Male-to-Male | | Connector Type | socket | | Country Of Origin | United Kingdom | | Customer Reviews | 4.6 4.6 out of 5 stars (605) | | Ethernet Cable Category | Cat 5 | | Indoor Outdoor Usage | Outdoor | | Item Length | 10 Metres | | Item Shape | Round | | Manufacturer | 1STec Telephone | | Maximum Voltage | 80 Volts (AC) | | Model Name | 1STec | | Model Number | 5060583530443 | | Number of Pins | 8 | | Other Special Features of the Product | High Speed | | Outer Material | Plastic or synthetic material | | Recommended Uses For Product | Telephone and broadband signal extension, installing or extending a new extension or master socket for High Speed ADSL or Telephone connections | | Specification Met | CE, IEC, RoHS, UL | | Unit Count | 1.0 count | ## Product Details - **Brand:** 1STec - **Cable type:** Ethernet - **Compatible devices:** Modem, Router - **Connector type:** socket - **Special feature:** High Speed ## Images ![10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) - Image 1](https://m.media-amazon.com/images/I/41UBWl5nUwL.jpg) ![10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) - Image 2](https://m.media-amazon.com/images/I/41opnvl0EBL.jpg) ![10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) - Image 3](https://m.media-amazon.com/images/I/416yICNprZL.jpg) ![10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) - Image 4](https://m.media-amazon.com/images/I/51A2RgC7L0L.jpg) ![10m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (10 Metre, Black) - Image 5](https://m.media-amazon.com/images/I/71fmb0DIo3L.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/62902337-10m-of-genuine-bt-cw1308-4-core-2-twisted-pair](https://www.desertcart.hr/products/62902337-10m-of-genuine-bt-cw1308-4-core-2-twisted-pair) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-03*